points.h File Reference

#include "types.h"

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Functions
void	gl_PointSize (GLcontext *ctx, GLfloat size)
void	gl_set_point_function (GLcontext *ctx)

Function Documentation

gl_PointSize()

void gl_PointSize	(	GLcontext *	ctx,
		GLfloat	size
	)

Definition at line 91 of file points.c.

{
   if (size<=0.0) {
      gl_error( ctx, GL_INVALID_VALUE, "glPointSize" );
      return;
   }
   if (INSIDE_BEGIN_END(ctx)) {
      gl_error( ctx, GL_INVALID_OPERATION, "glPointSize" );
      return;
   }
   ctx->Point.Size = size;
   ctx->NewState |= NEW_RASTER_OPS;
}

Referenced by execute_list(), and init_exec_pointers().

gl_set_point_function()

void gl_set_point_function

(

GLcontext *

ctx

)

Definition at line 541 of file points.c.

{
   GLboolean rgbmode = ctx->Visual->RGBAflag;
 
   if (ctx->RenderMode==GL_RENDER) {
      if (ctx->NoRaster) {
         ctx->Driver.PointsFunc = null_points;
         return;
      }
      if (ctx->Driver.PointsFunc) {
         /* Device driver will draw points. */
         ctx->Driver.PointsFunc = ctx->Driver.PointsFunc;
      }
      else {
         if (ctx->Point.SmoothFlag && rgbmode) {
            ctx->Driver.PointsFunc = antialiased_rgba_points;
         }
         else if (ctx->Texture.Enabled) {
        ctx->Driver.PointsFunc = textured_rgba_points;
         }
         else if (ctx->Point.Size==1.0) {
            /* size=1, any raster ops */
            if (rgbmode)
               ctx->Driver.PointsFunc = size1_rgba_points;
            else
               ctx->Driver.PointsFunc = size1_ci_points;
         }
         else {
        /* every other kind of point rendering */
            if (rgbmode)
               ctx->Driver.PointsFunc = general_rgba_points;
            else
               ctx->Driver.PointsFunc = general_ci_points;
         }
      }
   }
   else if (ctx->RenderMode==GL_FEEDBACK) {
      ctx->Driver.PointsFunc = feedback_points;
   }
   else {
      /* GL_SELECT mode */
      ctx->Driver.PointsFunc = select_points;
   }
 
}

Referenced by gl_update_state().